TIH/PIH Commodities (RSSM)

• TSA Final Rule (PDF)  The movement of rail security-sensitive materials (RSSM) through High Threat Urban Areas (HTUAs) is regulated by the TSA.
  
  
• Read the letter sent to CSX-served customers in December 2008 (PDF)
  
  
• TSA Rail Security Fact Sheet (PDF)
  
  
• TSA Rail Security FAQs  (PDF)
  
  
• TSA Freight Rail Maps of High Threat Urban Areas (HTUAs) 

	Related Links
	Environmental Leadership
	Community Safety Customer Service